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Satoshi HANAKI
Graduate School of Eng., Univ. of Hyogo
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Akiyoshi SAKAIDA
Dept. of Mech. Eng., Akashi National College of Tech.
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Kenji OKADA
Dept. of Mech. Eng., Kagawa National College of Tech.
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Akira UENO
College of Sci. and Eng, Ritsumeikan Univ.
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Tatsuo SAKAI
Res. Organization of Scie. and Eng., Ritsumeikan Univ.